Corn harvester



April 11, 1944. B. M. HYMAN ET AL 2,346,306

CORN HARVESTER Original Filed May 27, 1958 2 Sheets-Sheet 1 172 verz tors Blfliyman RCFGIQQSOIZ April 11, 1944. B. M. HYMAN ET AL CORN HARVESTER Original Filed May 2'7, 1938 2 Sheets-Sheet 2 Inventor BM Hyman 2.6? e ycwmz 5y PMQW Patented Apr. 11, 1944 UNITED STATES PATENT OFFICEv CORN HARVESTER.

New Jersey Original application May 27, 1938, Serial No. 210,464. Divided and this application August 28, 1941, Serial No.

11 Claims.

This application is a division of the application of Hyman et al., Serial No. 210,464, filed May 27, 1938, on which Patent No. 2,255,168 issued on September 9, 1941.

This invention relates to a corn picker construction. More specifically it relates to special means for adjusting the gathering chains and divider points with respect to the lower end of snapping rolls.

It frequently becomes desirable to adjust various elements which operate in conjunction with the lower end of snapping rolls of a corn picker so that there is a variation in the height at which the snapping rolls operate and, consequently, a change in their efiectiveness. Furthermore, it may bedesirable, because of soil conditions, to keep the lower end of the snapping rolls from operating too low. I

An object of the present invention is to provide an improved harvester construction.

A further object is the provision of an improved gathering means for a harvester.

Another object is to provide means for varying the effectiveness of the lower ends of snapping rolls of a corn picker.

A still further object is to provide means for adjusting various gathering elements which operate in conjunction with the lower end of snapping rolls of a corn picker.

According to the present invention, means are provided for the adjustment with respect to the lower end of snapping rolls of the pivotal mounting of pivoted divider points and of pulleys and rollers within gather chains adjacent the lower end of the snapping rolls.

In the drawings Figure 1 is a plan view of a tractor and a corn picker mounted thereon;

Figure 2 is a detail view showing provision for adjustment of gathering chains and gather-point supports with respect to snapping rolls; and,

Figure 3 is a side view of a snapping unit showing an adjustable gather point.

Figure 1 shows a corn picker mounted on a tractor in a manner more fully shown and claimed in the aforementioned Hyman et a1. application. As seen in this figure, the reference character In designates a tractor of the well known tricycle type. Mounted upon the tractor is a corn picker II which includes units l2 at opposite sides of the tractor. Each unit includes a snapping or gathering unit I3 and a husking unit l4. Extending between the rear of the husking units I4 is an auger feed device I5. A wagon elevator l6 extends rearwardly from the auger feed device I5. Each snapping unit l3 has a gathering point l1.

Figure 3 shows one divider point as pivoted at I8 on a plate l9 secured to a member 20 by means of a bolt 2|. As seen in Figure 2, the bolt 2| may extend through any one of a number of holes 22 in the plate IS. The member 20 is fixed with respect to snapping rolls 23. Thus, by shifting plate l9, to which gathering point I1 is pivoted at l8, and by causing bolt 2| to extend through a difierent hole 22, there is adjustment of gathering point H with respect to the lower ends of the snapping rolls in the direction of the length thereof.

Figure 2 shows gather chains 24 in the form of loops, of which only one endis shown. There are idler sprockets 25 within the ends of the gathering chain loops 24. The sprockets 25 are adjustable lengthwise of the snapping rolls 23 by means illustrated only with the left-hand sprocket 25. This sprocket 25 is rotatably mounted on a part 28 carried at the end of a rod 21 having a threaded portion 28. Nuts 29, which may be screwed along the threaded portion 28 and abut a protruding part 30 fixed with respect to the snapping rolls, permit shifting of the rod and of the sprocket 25 with respect to the snapping rolls 23.

Adjacent the ends of the snapping rolls 23 and within but spaced from the lower ends of the loops 24 are rollers 3|. Each roller is mounted in one of a set of holes 32 in plates 33 fixed against movement with respect to the snapping rolls. By shifting of the rollers from one hole to another there is an adjustment of the length of gather chains extending parallel to the snapping rolls 23.

By the arrangements described there is adjustment of the gathering point l1, the idlers 25 at the ends of gathering chain loops 24, and the rollers 3| with respect to the lower end of the snapping rolls 23. By adjustment of the gathering point l'l there is adjustment of the lower end of the rolls or the height above the ground at which the ends of the rolls operate. By adjustments of the rollers 3|, there is a change in the length of the gathering chains immediately adjacent the snapping rolls 23. Consequently, the gathering chains can be made more effective or less efiective near the ground and immediately adjacent the snapping rolls 23.

It will be apparent from the foregoing description that a new and, novel arrangement has been provided for the adjustment of parts adjacent the lower ends of snapping rolls.

1. In combination, supporting means, a pair of snapping rolls, a divider point, means mounting the divider point on the supporting means adjacent the lower end of the snapping rolls for bodily adjustment in the direction of the length of the snapping rolls, a gatherer chain mounted on the supporting means and having a portion extending generally parallel to and adjacent the snapping rolls and a further portion near one end of the snapping rolls extending away from the same, guiding means engaging the gathering chain between the said portions thereof, and means mounting the guiding means on the supporting means for adjustment longitudinally of the snapping rolls.

2. In combination, supporting means, a pair oi snapping rolls, a divider point, means mounting the divider point on the supporting means adjacent the lower end of the snapping rolls ior bodily adjustment in the direction of the length of the snapping rolls, a gatherer chain mounted on the supporting means and having a portion extending generally parallel to and adjacent the snapping rolls and a further portion near one end of the snapping rolls extending away from the same, a roller engaging the gathering chain between the said portions thereof, and means mounting the roller on the supporting means for adjustment longitudinally of the snapping rolls.

3. In combination, supporting means, a pair oi snapping rolls, a divider point, means mounting the divider point on the supporting means adjacent the lower end of the snapping rolls for bodily adjustment in the direction of the length of the snapping rolls, a gatherer-chain loop mounted on the supporting means and having a portion extending generally parallel to the snapping rolls and another portion extending slightly away from the rolls to an end of the loop, a sprocket within the end of the loop, a roller engaging the inside of the loop between the said portions thereof, and means mounting the roller on the supporting means for adjustment longitudinal oi the snapping rolls 4. In combination, supporting means. a pair of snapping rolls, a divider point, meanii pivotally mounting the divider point on the supporting means adjacent the lower end of the snapping rolls, means for adjusting the pivotal mounting of the divider point for bodily shifting of the divider point in the direction of the length of the snapping rolls, a gatherer chain mounted on the supporting means and having a portion extending generally parallel to and adjacent the snapping rolls and a further portion near one end of the snapping rolls extending away from the same, guidingmeans engaging the gathering chain between the said portions thereof, and means mounting the guiding means on the supporting means for adjustment longitudinally of the snapping rolls.

5. In combination, supporting means, a pair of snapping rolls, a divider point, means pivotally mounting the divider point on the supporting means adjacent the lower end of the snapping rolls, means for adjusting the pivotal mounting of the divider point for bodily shifting of the divider point in the direction of the length of the snapping rolls, a gatherer chain mounted on the supporting means and having a portion extending generally parallel to and adjacent the snapping rolls and a further portion near one end or the snapping rolls extending away from the same, a roller engaging the gathering chain between the said portions thereof, and means mounting the roller on the supporting means for adjustment longitudinal oi the snapping rolls.

6. In combination, supporting means, a pair of snapping rolls, a divider point, means pivotally niounting the divider point on the supporting eans adjacent the lower end of the snapping -rolls, means for adjusting the pivotal mounting of the divider point for bodily shifting oi the divider point in the direction of the length 0! the snapping rolls, a gatherer-chain loop mounted on the supporting means and having a portion extending generally parallel to the snapping rolls and another portion extending slightly away from the rolls to an end 01 the loop, a sprocket within the end of the loop, a roller engaging the inside of the loop between the said portions thereof, and means mounting the roller on the supporting means for adjustment longitudinal oi the snapping rolls.

7. In combination, supporting means, a pair oi snapping rolls, a divider point, means pivotally mounting the divider point on the supporting means, means for adjustably mounting the pivotally mounting means on the supporting means. said means comprising a hole in one means, a series of holes in the other means, and a bolt insertable through the hole in one means and any of the series of holes in the other means, a gatherer chain mounted on the supporting means and having a portion extending generally parallel to and adjacent the snapping rolls and a luither portion near one end of the snapping lOllS extending away from the same, guiding means engaging the gathering chain between the said portions thereof, and means mounting the guiding means on the supporting means for adjustment longitudinal oi the snapping rolls.

8. In combination, supporting means, a pair of snapping rolls, a divider. point, means pivotally mounting the divider point on the supporting means, means for adjustably mounting the pivotally mounting means on the supporting means, said means comprising a hole in one means, a series of holes in the other means, and a bolt insertable through the hole in one means and any of the series or holes in the other means, a gatherer chain mounted on the supporting means and having a portion extending generally parallel to and adjacent the snapping rolls and a further portion near one end of the snapping rolls extending away from the same, a roller engaging the gathering chain between the said portions thereof, and means mounting the roller on the supporting means for adjustment longitudinal of the snapping rolls.

9. In combination, supporting means, a pair of snapping rolls, a divider point, means pivotally mounting the divider point on the supporting means, means for adjustably mounting the pivotally mounting means on the supporting means, said means comprising a hole in one means, a series of holes in the other means, and a bolt insertable through the hole in one means and any of the series of holes in the other means, a gatherer-chain loop mounted on the supporting means and having a portion extending generally parallel to the snapping rolls and another portion extending slightly away from the rolls to an end of the loop, a sprocket within the end of the loop, a roller engaging the inside of the loop between the said portions thereof, and means mounting the roller on the supporting means for adjustment longitudinal of the snapping rolls.

10. In combination, asupporting means, a pair of snapping rolls, a divider point, means pivotally mounting the divider point on the supporting means adjacent the lower end of the snapping rolls, means for adjusting the pivotal mounting of the divider point for bodily shifting of the divider point in the direction of the length of the snapping rolls, a gatherer-chain loop mounted on the supporting means and having a portion extending generally parallel to the snapping rolls and another portion extending slightly away from the rolls to an end of the loop, a sprocket within the end of the loop, means mounting the sprocket on the supporting means for adjustment longitudinal of the snapping rolls, a roller engaging the inside of the loop between the said portions thereof, and meanamounting the roller on the supporting means for adjustment longitudinally of the snapping rolls. 11. In combination, supporting means, a pair of snapping rolls mounted thereon, a gathererchain loop mounted on the supporting means and having a portion extending generally parallel to the snapping rolls and another portion extending slightly away from the rolls to an end of the loop, a. sprocket within the end of the loop, means mounting the sprocket on the supporting means for adjustment longitudinal of the snapping rolls, a roller engaging the inside of the loop between the said portions thereof, and means mounting the roller on the supporting means for adjustment longitudinally of the snapping rolls.

BENJAMIN M. HYMAN.

RECTOR C. FERGASON. 

